Heel-toe shifter



FIG. 1 is a left side view of a heel-toe shifter, showing my new design;

FIG. 2 is a right side view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a front view thereof; and,

FIG. 6 is a rear view thereof. 

The ornamental design for a heel-toe shifter, as shown and described. 